Atriplex obovata

Moquin-Tandon

Chenop. Monogr. Enum., 61. 1840.

Common names: New Mexico saltbush broadscale
Illustrated
Synonyms: Atriplex greggii S. Watson Atriplex jonesii Standley Atriplex obovata var. tuberata J. F. Macbride
Treatment appears in FNA Volume 4. Treatment on page 371. Mentioned on page 331.

Subshrubs, dioecious, clump-forming, mainly 2–8 dm and as wide, woody at base. Stems stiffly erect; branchlets terete. Leaves tardily deciduous, alternate or proximalmost subopposite, shortly petiolate; blade gray green, oblong-ovate to elliptic or orbiculate, 8–30 (–35) × 6–20 mm, margin entire or rarely dentate, apex rounded to retuse or obtuse. Staminate flowers yellow, in clusters 2–3 mm wide, borne in panicles 6–30 cm. Pistillate flowers in small, very numerous glomerules in axils of elongated, terminal leafy-bracteate spikes or finally paniculate. Fruiting bracteoles sessile or substipitate, 4–5 × 5–9 mm, base broadly cuneate, margin sharply toothed, apical tooth subtended by 2–6 equal or smaller teeth, faces smooth or rarely tuberculate. Seeds brown, 2.4–2.8 mm.


Phenology: Flowering summer–fall.
Habitat: Fine-textured substrates, with salt desert shrub and lower pinyon-juniper communities
Elevation: 1500-2000 m

Distribution

V4 730-distribution-map.gif

Ariz., Colo., N.Mex., Tex., Utah, Mexico

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Atriplex obovata"
wingless +  and winged +
Stanley L. Welsh +
Moquin-Tandon +
slippery +
aromatic +
cuneate +
Undefined subg. Pterochiton +  and Atriplex sect. Deserticola +
3 cm30 mm <br />0.03 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (3 cm30 mm <br />0.03 m <br />) +
oblong-ovate +  and elliptic or orbiculate +
6mm;20mm +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
3-5-parted +
New Mexico saltbush +  and broadscale +
Ariz. +, Colo. +, N.Mex. +, Tex. +, Utah +  and Mexico +
1500-2000 m +
tuberculate +  and smooth +
pistillate +  and staminate +
unisexual +  and bisexual +
6 cm60 mm <br />0.06 m <br /> (30 cm300 mm <br />0.3 m <br />) +
not +  and connate +
enlarged +
Fine-textured substrates, with salt desert shrub and lower pinyon-juniper communities +
bladderlike +
terminal +  and axillary +
sessile +  and petiolate +
deciduous +
not winged +  and winged +
dentate +  and entire +
stipitate +  and sessile +
inferior +, half-inferior +  and superior +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
(1-)3-5-lobed +
papery +  and chartaceous +
Flowering summer–fall. +
Chenop. Monogr. Enum., +
pointing +  and ascending +
sublateral +  and superior +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
verrucate +  and striate +
flattened +
Illustrated +
cylindric +
3 (?) +  and 5 (?) +
opposite +  and alternate +
succulent +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Atriplex greggii +, Atriplex jonesii +  and Atriplex obovata var. tuberata +
Atriplex obovata +
Atriplex subg. Pterochiton +
species +
spicate +  and naked +
tuberculate +
dicotyledonous +
substipitate +  and sessile +
perennial +  and annual +
subshrub +  and clump-forming +